2785318120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{124567}}^1$

素因数の和:124634

約数の個数: 64

約数和(自身を含む): 6906049920

約数和(自身を除く): 4120731800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 4472, 5590, 11180, 22360, 124567, 249134, 498268, 622835, 996536, 1245670, 1619371, 2491340, 3238742, 4982680, 5356381, 6477484, 8096855, 10712762, 12954968, 16193710, 21425524, 26781905, 32387420, 42851048, 53563810, 64774840, 69632953, 107127620, 139265906, 214255240, 278531812, 348164765, 557063624, 696329530, 1392659060, 2785318120]

約数ペア:

[(1, 2785318120), (2, 1392659060), (4, 696329530), (5, 557063624), (8, 348164765), (10, 278531812), (13, 214255240), (20, 139265906), (26, 107127620), (40, 69632953), (43, 64774840), (52, 53563810), (65, 42851048), (86, 32387420), (104, 26781905), (130, 21425524), (172, 16193710), (215, 12954968), (260, 10712762), (344, 8096855), (430, 6477484), (520, 5356381), (559, 4982680), (860, 3238742), (1118, 2491340), (1720, 1619371), (2236, 1245670), (2795, 996536), (4472, 622835), (5590, 498268), (11180, 249134), (22360, 124567)]